<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <h1> 登录页面 </h1>
    <form action="/login" method="post">
      账户名 <input type="text" name="username"><br/>
      密码  <input type="password" name="password"><br/>
        <input type="submit" name="submit" value="提交">
    </form>
</body>
</html>